现在进行时的专题练习
1．现在进行时表示现在正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。
2．现在进行时的肯定句基本结构为be（is/am/are）+动词ing.
3．现在进行时的否定句在be后加not。
4．现在进行时的一般疑问句把be动词调到句首。
eg. He is doing his homework now?——Is he doing his homework now?
5．现在进行时的特殊疑问的基本结构为：
疑问词+ be + 主语+ 动词ing? eg. Where are you going?
但疑问词当主语时其结构为：
疑问词+ be + 动词ing? eg. Who is singing?
6. 标志词：Look! Listen! now
动词现在分词的变化见下表：
词尾情况
变化方式
例词
一般情况
加—ing
play玩—playing do做—doing go去—going
jump跳—jumping sing唱—singing ski滑雪—skiing
see看见--seeing
以不发音的e结尾
去e加—ing
make做—making take拿到—taking like喜欢—liking
come来—coming write写—writing dance跳舞—dancing
have有—having close关—closing
以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母
双写最后一个辅音字母再加—ing
swim游泳—swimming sit坐—sitting run跑—running
get得到—getting put放—putting begin开始—beginning
jog慢跑—jogging
一、写出下列动词的现在分词：
play________ run__________ swim _________ make__________ go_________ write________
ski___________ read________ have_________ dance_________ put_________ see________
buy _________ love____________ live_______ take_________ come ________ get_________
stop_________ sit ________ begin________ shop___________
二、用所给的动词的正确形式填空：
1. Listen .Some girls _______________ (sing)in the classroom .
2. What _____ you ______ ( do ) now?
3. Look . They _______________( have) an English lesson .
4.They ____________(not ,water) the flowers now.
5.Look! the girls ________________(dance )in the classroom .
6.What is our granddaughter doing? She _________(listen ) to music.
7. It’s 5 o’clock now. We _____________(have)supper now
8.______Helen____________(wash )clothes? Yes ,she is .
三、句型转换：
1. They are doing housework .(分别改成一般疑问句和否定句)
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2．The students are cleaning the classroom . ( 改一般疑问句并作肯定和否定回答)
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3．I’m playing the football in the playground .(对划线部分进行提问)
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4．Tom is reading books in his study . (对划线部分进行提问)
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